/*
Copyright © 2024 NAME HERE <EMAIL ADDRESS>
*/
package cmd

import (
	"fmt"
	"os"

	"github.com/joho/godotenv"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

var (
	cfgFile          string
	miniflux_host    string
	miniflux_token   string
	miniflux_feed_id int64
)

// rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{
	Use:   "miniflux-archiver",
	Short: "Archive solution for RSS miniflux",

	// Run: func(cmd *cobra.Command, args []string) {
	// 	fmt.Printf("%v", viper.AllSettings())
	// },
}

// Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() {
	err := rootCmd.Execute()
	if err != nil {
		os.Exit(1)
	}
}

func init() {
	godotenv.Load()

	cobra.OnInitialize(initConfig)

	// Here you will define your flags and configuration settings.
	// Cobra supports persistent flags, which, if defined here,
	// will be global for your application.

	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file")

	rootCmd.PersistentFlags().StringVar(&miniflux_host, "miniflux-host", "", "127.0.0.1")
	rootCmd.PersistentFlags().StringVar(&miniflux_token, "miniflux-token", "", "XXX-XXX-XXX")
	rootCmd.PersistentFlags().Int64Var(&miniflux_feed_id, "miniflux-feed_id", 0, "1")
	viper.BindPFlag("miniflux_host", rootCmd.PersistentFlags().Lookup("miniflux-host"))
	viper.BindPFlag("miniflux_token", rootCmd.PersistentFlags().Lookup("miniflux-token"))
	viper.BindPFlag("miniflux_feed_id", rootCmd.PersistentFlags().Lookup("miniflux-feed-id"))
}

// initConfig reads in config file and ENV variables if set.
func initConfig() {
	if cfgFile != "" {
		// Use config file from the flag.
		viper.SetConfigFile(cfgFile)
	} else {
		// Find home directory.
		home, err := os.UserHomeDir()
		cobra.CheckErr(err)

		// Search config in home directory with name ".miniflux-archiver" (without extension).
		viper.AddConfigPath(home)
		viper.AddConfigPath(".")
		viper.SetConfigType("toml")
		viper.SetConfigName(".miniflux-archiver")
	}

	viper.SetEnvPrefix("MFA")
	viper.AutomaticEnv() // read in environment variables that match

	// If a config file is found, read it in.
	if err := viper.ReadInConfig(); err == nil {
		fmt.Fprintln(os.Stderr, "Using config file:", viper.ConfigFileUsed())
	}

	requiredParams := [...]string{
		"miniflux_host",
		"miniflux_token",
		"miniflux_feed_id",
	}

	for _, param := range requiredParams {
		if !viper.IsSet(param) {
			fmt.Printf(
				"Error: The value \"%v\" must be set. For more information use the --help command\n",
				param,
			)
			os.Exit(1)
		}
	}
}